Terraform Azure scripts for Jenkins HA

Setup you private Azure creds before running the script :

subscription_id     = "---"
client_id           = "---"
client_secret       = "---"
tenant_id           = "---"

Note: Above should be stored in a file called terraform.tfvars

Terraform Files

The following table describes the terraform files and their purpose.

File	Description
variables.tf	Contains variables and config values used for deployment
provider.tf	Contains provider settings
rsg.tf	Contains resource group settings
nsg.tf	Contains network security group
network.tf	Contains network settings
storage.tf	Contains storage account settings
vm-master-primary.tf	Jenkins master virtual machine (Primary)
vm-master-secondary.tf	Jenkins master virtual machine (Secondary)
lb.tf	Load balancer

Note: variables.tf should be customized for your specific settings

Steps to initialize this project

• Enter all the variables in variable file (terraform.tfvars)
• Add storage account , container name , Access Key at the end of azure_vm.tf file for storing terraform state file remotely to azure (you need to have a already created storage account for storing the state file )

Run following commands to run & test Terraform scripts :

• terraform init (To initialize the project)
• terraform plan (To check the changes to be made by Terraform on azure )
• terraform apply (To apply the changes to azure)

To verify Jenkins , open the public ip Azure VM in browser azure_vm_public_ip:8080
& get Jenkins Admin password by SSHing the VM

• The Backend state file will be stored on your azure storage container.
• This file can be used for next module .

Virtual Machine (Configuration)

The following is the configuration for the virtual machine produced using these scripts

VM Size: Standard_DS2_v2

Operating System: Linux Cent OS 7.3

Disk:

- OS Disk : 128GB
- Data Disk : 512GB

Jenkins

The following is some details of the jenkins installation

Internal Port: 8080

Default User/Password:

User: admin
Password: admin

Plugins:

git
github
blueocean
terraform
ssh-agent
mailer
greenballs
oic-auth
credentials

Links

https://github.com/terraform-providers/terraform-provider-azurerm/blob/master/examples/2-vms-loadbalancer-lbrules/main.tf https://terraform.io https://jenkins.io